The Andean condor is the world's biggest bird of prey, which can weigh up to 15 kg and has a wingspan of up to 3.3 meters.

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The Steller's sea eagle is the world's biggest eagle in terms of weight with a wingspan of up to 8.2 feet. This large bird of ...

The ostrich, the world’s largest bird, is indigenous to Africa, where ranchers have raised it for commercial purposes for more than a century. A decade ago, entrepreneurs thought that southeastern ...